Published March 12, 2018 | Version v1
Journal article Open

Monitoring dynamic electrochemical processes with in situ ptychography

  • 1. Elettra-Sincrotrone TriesteTriesteItaly
  • 2. Department of Innovation Engineering University of Salento Lecce Italy
  • 3. Australian SynchrotronMelbourneAustralia
  • 4. La Trobe Institute for Molecular Science, La Trobe UniversityMelbourneAustralia
  • 5. IOM-CNR, Trieste-BasovizzaTriesteItaly

Description

he present work reports novel soft X-ray Fresnel CDI ptychography results, demonstrating the potential of this method for dynamic in situ studies. Specifically, in situ ptychography experiments explored the electrochemical fabrication of Co-doped Mn-oxide/polypyrrole nanocomposites for sustainable and cost-effective fuel-cell air-electrodes. Oxygen-reduction catalysts based on Mn-oxides exhibit relatively high activity, but poor durability: doping with Co has been shown to improve both reduction rate and stability.

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Funding

European Commission
NFFA – Nanoscience Foundries and Fine Analysis 212348